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The New Low-Cholesterol Diet: Nuts

Nuts aren't just for holidays anymore. Key nuts can help you lower cholesterol. Add nuts to your low-cholesterol diet.
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WebMD Feature

Nuts get a bad rap. A lot of people still see them as salty, fatty, and high calorie -- a junk food deserving exile to the carts of vendors or the snack bowls of dingy, smoky bars.

But nutritionists say that certain nuts deserve an honored spot in the kitchen of every healthy eater (as long as you're not allergic, of course.) Nuts have lots of protein, fiber, healthy monounsaturated fats, vitamins, nutrients, and antioxidants. And many studies have shown that nuts have powerful cholesterol-lowering effects.

Recommended Related to Cholesterol Management

Understanding Your Cholesterol Test Results

Your health care provider may send you for cholesterol tests, either as a part of a standard check-up or because he or she suspects you may be at risk for developing heart disease. But do you know what the cholesterol test results actually mean? Read on to learn how to interpret the numbers.

Read the Understanding Your Cholesterol Test Results article > >

The benefits were clear enough for the FDA in 2003 to issue a "qualified health claim" for peanuts and certain tree nuts -- almonds, hazelnuts, pecans, some pine nuts, pistachios, and walnuts. The claim allows some nuts and foods made with them to carry this claim: "Eating a diet that includes one ounce of nuts daily can reduce your risk of heart disease."

So it's time to dust off your nutcrackers or pull the lid off a can of nuts. Taken in moderation, these nuts are good for you.

Walnuts

"Walnuts are great because they have high levels of omega-3 fatty acids," says American Dietetic Association spokeswoman Suzanne Farrell, MS, RD. "Other nuts don't."

Omega-3 fatty acids are also found in fatty fish like tuna and salmon. We know that omega-3 fatty acids lower levels of triglycerides, a type of fat in the bloodstream. Experts are not exactly sure how. Omega-3 fatty acids may also slow down the growth of plaques inthe arteries and prevent blood clots.

There are a number of small studies that show that walnuts help lower cholesterol.

One 2004 study of 58 adults with diabetes looked at the effects of eating a handful of walnuts each day in addition to a healthy diet. The researchers found that on average, people who ate the walnuts had an increase in their good HDL cholesterol and a drop of 10% in their bad LDL cholesterol levels. The results were published in the journal Diabetes Care.

Walnuts received their own, separate qualified health claim from the FDA in 2004, stating that they may reduce the risk of heart disease.

Almonds

Many studies show that almonds have real health benefits too. Like other nuts, they are high in protein, fiber, healthy monounsaturated fats, minerals, and other nutrients. They are also high in vitamin E, an antioxidant.

One researcher, David Jenkins MD, has done many studies of the effects of almonds. In a study, he tested 27 men and women with high cholesterol over three months. People who ate about a handful of almonds a day lowered their bad LDL cholesterol by 4.4%. Those who ate two handfuls lowered it by 9.4%. The results were published in the journal Circulation.

Is This Normal? Get the Facts Fast!

Is Your Cholesterol Level Heart Healthy?
What is your LDL (low-density lipoprotein) level?

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Answer:
Desirable
0-199
Borderline
200-239
High
240+

Your level is currently

Congratulations! Your total cholesterol level is in the Desirable range, and your level of "bad" LDL cholesterol is optimal.

Congratulations! Your total cholesterol level is in the Desirable range, and your level of "bad" LDL cholesterol is near optimal.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is borderline high. If your LDL goes higher, your total cholesterol level could become Borderline High. Consider reducing the amount of foods you eat with saturated fats and increasing physical activity. If you get more exercise, your level of "good" HDL cholesterol may increase, which could also help to keep your levels of LDL and total cholesterol in check.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is High. This may mean that your level of high-density lipoprotein (HDL), or "good" cholesterol, is too low. It is best to have a high level of "good" HDL and a low level of "bad" LDL. The HDL helps keep your LDL level in check. Ask your doctor for your HDL level. If your HDL is low, increasing your physical activity can increase it, which may help reduce your LDL level.

Your total cholesterol level is in the Desirable range, but your level of "bad" LDL cholesterol is Very High. This may mean that your level of high-density lipoprotein (HDL), or "good" cholesterol, is too low. It is best to have a high level of "good" HDL and a low level of "bad" LDL because the HDL helps keep your LDL level in check. Ask your doctor for your HDL level. If your HDL is low, increasing your physical activity can increase it, which may help reduce your LDL level.

Your total cholesterol level is Borderline High, but fortunately your level of "bad" LDL cholesterol is optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have other non-measured increases in LDL-like particles that can increase heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is Borderline High, but fortunately your level of "bad" LDL cholesterol is near optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have other non-measured increases in LDL-like particles that can increase heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is Borderline High. Your level of "bad" LDL cholesterol is Borderline High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is Borderline High. Your level of "bad" LDL cholesterol is High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is Borderline High. But your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol is High, but your level of "bad" LDL cholesterol is optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol is High, but your level of "bad" LDL cholesterol is near optimal. This could mean you have a high level of high-density lipoprotein, or "good" HDL cholesterol, which protects against heart disease. Or you could have elevated secondary lipids, such as non-HDL particles that increase the risk of heart disease. Your LDL level also could be optimal if you are taking a statin medication. Please check with your doctor to get your complete lipid profile and see if you may need additional treatment. In the meantime, find more information on WebMD's Cholesterol Health Center.

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is Borderline High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels!

Your total cholesterol level is High. Your level of "bad" LDL cholesterol is High, too. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe medication, such as statins. Following medication, dietary, and exercise instructions should result in improvements.

Your total cholesterol level is High, and your level of "bad" LDL cholesterol is Very High. Working to bring down your total cholesterol decreases your LDL cholesterol level. You can do this by exercising more and eating less food with saturated fats. Check food labels! If you are struggling to bring down your total cholesterol and LDL cholesterol levels, your doctor may prescribe statins or other cholesterol-lowering medications.

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